Home / 30,466,026.79-45,710,416.46-12,275,382.74

Finding the Fourth Proportional to 30,466,026.79, 45,710,416.46 and 12,275,382.74

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Solution

The fourth proportional to 30,466,026.79, 45,710,416.46 and 12,275,382.74 is: 18,417,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466,026.79 : 45,710,416.46 = 12,275,382.74 : x
  2. Step 2: Convert to fraction form
    30,466,026.79/45,710,416.46 = 12,275,382.74/x
  3. Step 3: Cross multiply
    30,466,026.79x = 45,710,416.46 × 12,275,382.74
  4. Step 4: Simplify right side
    30,466,026.79x = 561,112,857,251,295.94
  5. Step 5: Solve for x
    x = 561,112,857,251,295.94/30,466,026.79
  6. Step 6: Final answer
    x = 18,417,657.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.